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Simplifying (x + 1)(x + -2)(x + 9) = 0 Reorder the terms: (1 + x)(x + -2)(x + 9) = 0 Reorder the terms: (1 + x)(-2 + x)(x + 9) = 0 Reorder the terms: (1 + x)(-2 + x)(9 + x) = 0 Multiply (1 + x) * (-2 + x) (1(-2 + x) + x(-2 + x))(9 + x) = 0 ((-2 * 1 + x * 1) + x(-2 + x))(9 + x) = 0 ((-2 + 1x) + x(-2 + x))(9 + x) = 0 (-2 + 1x + (-2 * x + x * x))(9 + x) = 0 (-2 + 1x + (-2x + x2))(9 + x) = 0 Combine like terms: 1x + -2x = -1x (-2 + -1x + x2)(9 + x) = 0 Multiply (-2 + -1x + x2) * (9 + x) (-2(9 + x) + -1x * (9 + x) + x2(9 + x)) = 0 ((9 * -2 + x * -2) + -1x * (9 + x) + x2(9 + x)) = 0 ((-18 + -2x) + -1x * (9 + x) + x2(9 + x)) = 0 (-18 + -2x + (9 * -1x + x * -1x) + x2(9 + x)) = 0 (-18 + -2x + (-9x + -1x2) + x2(9 + x)) = 0 (-18 + -2x + -9x + -1x2 + (9 * x2 + x * x2)) = 0 (-18 + -2x + -9x + -1x2 + (9x2 + x3)) = 0 Combine like terms: -2x + -9x = -11x (-18 + -11x + -1x2 + 9x2 + x3) = 0 Combine like terms: -1x2 + 9x2 = 8x2 (-18 + -11x + 8x2 + x3) = 0 Solving -18 + -11x + 8x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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